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ranyai12

  • 3 years ago

Help Please! Find the inverse laplace of F(s)= (e^(-1s)-e^(-4s))/s^3

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  1. ranyai12
    • 3 years ago
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    @TuringTest I ended up getting (1/2)((t-1)^2)(t-1)-(t-4)^2)(t-4) and it's wrong :(

  2. ranyai12
    • 3 years ago
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    @phi

  3. phi
    • 3 years ago
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    See http://www.wolframalpha.com/input/?i=inverse+laplace++%28e%5E%28-1s%29-e%5E%28-4s%29%29%2Fs%5E3 your (t-1) and (t-4) terms should be step functions.

  4. ranyai12
    • 3 years ago
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    oh i see! thank you!

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